Last year I was trying to mimic exactly what you were talking about. A local hospital was looking at a two-way radio type of solution for their transporters (the folks who ferry patients from one place to another) and I proposed using a UC520 for this purpose. The idea was to issue 7921 phones with headsets to the transporters and use the Wireless LAN throughout the hospital to transport the voice stream. I coupled PTT with a PLAR function so that it would act just like a broadcast radio and mimic the two way radio. I was jazzed when I figured out how to get it to work, the last piece of the puzzle I was able to get from the "Ask an Expert" area at last years Networkers...

This is supported, but you will need CLI. See below for a sample config between a 7921 adn a 7925. I am using dummy MAC's and making up the ephone and ephone-dn's (you will have to customize to your setup).

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This is supported, but you will need CLI. See below for a sample config between a 7921 adn a 7925. I am using dummy MAC's and making up the ephone and ephone-dn's (you will have to customize to your setup).

Thanks for the tip Marcos. However, is it possible to make the intercom not for a fixed number? The behavior I am looking for is much like what a user will get with Nextel/Mike PTT where the user will select someone/group from a list of and press PTT to open the com line (similar to Directory-Dial, but using Intercom instead).

Last year I was trying to mimic exactly what you were talking about. A local hospital was looking at a two-way radio type of solution for their transporters (the folks who ferry patients from one place to another) and I proposed using a UC520 for this purpose. The idea was to issue 7921 phones with headsets to the transporters and use the Wireless LAN throughout the hospital to transport the voice stream. I coupled PTT with a PLAR function so that it would act just like a broadcast radio and mimic the two way radio. I was jazzed when I figured out how to get it to work, the last piece of the puzzle I was able to get from the "Ask an Expert" area at last years Networkers...